. >> sergeant nancy moore is in charge of the program. >> we want to make sure it doesn't happen here. we want to assure our children, the parents, our families and community that we're going to do everything that we can to keep everybody safe. >> these changes, like others, around the country, come after the tragedy in newtown, connecticut, 20 children and six staff members, now gone. for many parents if horror there has changed their conversations here. >> i've kind of explained what to look for, specific activities and stuff like that. get descriptions of people's cars, report irrelevat to adult >> it's training and drills and making sure everyone does what they need to do. >> in spots vain yeah county, they sent this later to parents, they, too, upping the police presence at school. >> i don't know how much safer it makes me feel. >> reporter: bill kennedy with the sheriff's office knows how important this can be. he spent years as an elementary school principal in stafford. >> we thought it was a real good. >> it's important to keep our children engaged and they're focused on wha